EP3301949A1 - Appareils et procédés permettant une excitation acoustique d'un panneau frontal d'un compartiment de rangement à l'intérieur d'un véhicule - Google Patents

Appareils et procédés permettant une excitation acoustique d'un panneau frontal d'un compartiment de rangement à l'intérieur d'un véhicule Download PDF

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Publication number
EP3301949A1
EP3301949A1 EP17194134.7A EP17194134A EP3301949A1 EP 3301949 A1 EP3301949 A1 EP 3301949A1 EP 17194134 A EP17194134 A EP 17194134A EP 3301949 A1 EP3301949 A1 EP 3301949A1
Authority
EP
European Patent Office
Prior art keywords
face panel
stowage bin
attenuator
electroacoustic transducer
mounting structure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP17194134.7A
Other languages
German (de)
English (en)
Other versions
EP3301949B1 (fr
Inventor
Yakentim Ibrahim
Kevin S. Callahan
Michael Alan Feinberg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Boeing Co
Original Assignee
Boeing Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Boeing Co filed Critical Boeing Co
Publication of EP3301949A1 publication Critical patent/EP3301949A1/fr
Application granted granted Critical
Publication of EP3301949B1 publication Critical patent/EP3301949B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
    • B60R11/0205—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for radio sets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D11/00—Passenger or crew accommodation; Flight-deck installations not otherwise provided for
    • B64D11/003—Stowage devices for passengers' personal luggage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R7/00—Stowing or holding appliances inside vehicle primarily intended for personal property smaller than suit-cases, e.g. travelling articles, or maps
    • B60R7/04—Stowing or holding appliances inside vehicle primarily intended for personal property smaller than suit-cases, e.g. travelling articles, or maps in driver or passenger space, e.g. using racks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/18—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration in two or more dimensions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/025—Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
    • H04R1/2876—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding
    • H04R1/288—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding for loudspeaker transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
    • H04R23/02—Transducers using more than one principle simultaneously
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/13—Acoustic transducers and sound field adaptation in vehicles

Definitions

  • the present disclosure relates to media systems for vehicles.
  • Flat panel speaker technology is often used to provide audio for environments in which a premium is placed on physical space and component weight, such as in an aircraft.
  • vibration of surfaces that have been traditionally utilized for flat panel speaker technology often render those surfaces incompatible with the incorporation of other systems that may be sensitive to vibration.
  • the media system comprises an electroacoustic transducer, integrated into a face panel of a stowage bin inside the vehicle.
  • the stowage bin comprises a mounting structure that is stationary relative to the chassis of the vehicle. An interior of the stowage bin is accessible via the face panel.
  • the face panel is movably coupled to the mounting structure.
  • the media system that includes the electroacoustic transducer, as set forth above, enables positioning the electroacoustic transducer in the face panel of the stowage bin inside a vehicle, such as an airplane. Positioning the electroacoustic transducer in the face panel of the stowage bin enables other surfaces inside the vehicle to be utilized for other functionalities.
  • the face panel is movably coupled to the mounting structure and provides access to the interior of the stowage bin.
  • a vehicle comprising a chassis and a passenger compartment.
  • the passenger compartment comprises ceiling panels.
  • the vehicle also comprises a stowage bin in the passenger compartment.
  • the stowage bin comprises a mounting structure that is stationary relative to the chassis.
  • the stowage bin also comprises a face panel, movably coupled to the mounting structure.
  • the stowage bin additionally comprises an interior, accessible via the face panel.
  • the vehicle further comprises a media system.
  • the media system comprises a high-definition display system, integrated into the ceiling panels.
  • the media system also comprises an audio source, operatively coupled with the high-definition display system.
  • the media system additionally comprises an electroacoustic transducer, integrated into the face panel of the stowage bin.
  • the media system that includes the electroacoustic transducer, as set forth above, in a vehicle, such as an airplane, enables positioning the electroacoustic transducer in the face panel of the stowage bin inside the vehicle. Positioning the electroacoustic transducer the in face panel of the stowage bin enables other surfaces inside the vehicle, such as the ceiling panels of the passenger compartment of the vehicle, to be utilized for other functionalities, such as the high-definition display system, integrated into the ceiling panels of the passenger compartment.
  • Yet another example of the subject matter according to the invention relates to a method of acoustically exciting a face panel of a stowage bin inside a vehicle.
  • the method comprises exciting the face panel with an electroacoustic transducer, integrated into the face panel of the stowage bin.
  • the stowage bin further comprises a mounting structure that is stationary relative to a chassis of the vehicle.
  • the stowage bin also comprises an interior, accessible via the face panel.
  • the method enables acoustic excitation of the face panel of the stowage bin via the electroacoustic transducer positioned therein.
  • Implementing the method enables utilization of other surfaces inside the vehicle for other functionalities.
  • solid lines, if any, connecting various elements and/or components may represent mechanical, electrical, fluid, optical, electromagnetic and other couplings and/or combinations thereof.
  • "coupled” means associated directly as well as indirectly.
  • a member A may be directly associated with a member B, or may be indirectly associated therewith, e.g., via another member C. It will be understood that not all relationships among the various disclosed elements are necessarily represented. Accordingly, couplings other than those depicted in the block diagrams may also exist.
  • Dashed lines, if any, connecting blocks designating the various elements and/or components represent couplings similar in function and purpose to those represented by solid lines; however, couplings represented by the dashed lines may either be selectively provided or may relate to alternative examples of the present disclosure.
  • elements and/or components, if any, represented with dashed lines indicate alternative examples of the present disclosure.
  • One or more elements shown in solid and/or dashed lines may be omitted from a particular example without departing from the scope of the present disclosure.
  • Environmental elements, if any, are represented with dotted lines. Virtual imaginary elements may also be shown for clarity.
  • FIGs. 15 and 16 referred to above, the blocks may represent operations and/or portions thereof and lines connecting the various blocks do not imply any particular order or dependency of the operations or portions thereof. Blocks represented by dashed lines indicate alternative operations and/or portions thereof. Dashed lines, if any, connecting the various blocks represent alternative dependencies of the operations or portions thereof. It will be understood that not all dependencies among the various disclosed operations are necessarily represented. FIGs. 15 and 16 and the accompanying disclosure describing the operations of the methods set forth herein should not be interpreted as necessarily determining a sequence in which the operations are to be performed. Rather, although one illustrative order is indicated, it is to be understood that the sequence of the operations may be modified when appropriate. Accordingly, certain operations may be performed in a different order or simultaneously. Additionally, those skilled in the art will appreciate that not all operations described need be performed.
  • first, second, etc. are used herein merely as labels, and are not intended to impose ordinal, positional, or hierarchical requirements on the items to which these terms refer. Moreover, reference to, e.g., a “second” item does not require or preclude the existence of, e.g., a "first” or lower-numbered item, and/or, e.g., a "third" or higher-numbered item.
  • a system, apparatus, structure, article, element, component, or hardware “configured to” perform a specified function is indeed capable of performing the specified function without any alteration, rather than merely having potential to perform the specified function after further modification.
  • the system, apparatus, structure, article, element, component, or hardware “configured to” perform a specified function is specifically selected, created, implemented, utilized, programmed, and/or designed for the purpose of performing the specified function.
  • "configured to” denotes existing characteristics of a system, apparatus, structure, article, element, component, or hardware which enable the system, apparatus, structure, article, element, component, or hardware to perform the specified function without further modification.
  • a system, apparatus, structure, article, element, component, or hardware described as being “configured to” perform a particular function may additionally or alternatively be described as being “adapted to” and/or as being “operative to” perform that function.
  • media system 100 for vehicle 102 having chassis 104 comprises electroacoustic transducer 114, integrated into face panel 108 of stowage bin 110 inside vehicle 102.
  • Stowage bin 110 comprises mounting structure 112 that is stationary relative to chassis 104 of vehicle 102.
  • Interior 130 of stowage bin 110 is accessible via face panel 108.
  • Face panel 108 is movably coupled to mounting structure 112.
  • media system 100 that includes electroacoustic transducer 114, as set forth above, enables positioning electroacoustic transducer 114 in face panel 108 of stowage bin 110 inside vehicle 102, such as an airplane. Positioning electroacoustic transducer 114 in face panel 108 of stowage bin 110 enables other surfaces inside vehicle 102 to be utilized for other functionalities. Face panel 108 is movably coupled to mounting structure 112 and provides access to interior 130 of stowage bin 110.
  • electroacoustic transducer 114 integrated in face panel 108 allows surfaces previously utilized for flat-panel speaker technology to be repurposed for other functions, such as providing a high-definition display inside vehicle 102.
  • media system 100 allows face panel 108 of stowage bin 110 to function as a flat-panel speaker while also providing access to interior 130 of stowage bin 110.
  • face panel 108 of stowage bin 110 is capable of being moved between, inclusively, a first position relative to mounting structure 112 of stowage bin 110 and a second position relative to mounting structure 112.
  • Allowing face panel 108 of stowage bin 110 to move between a first position relative to mounting structure 112 of stowage bin and second position relative to mounting structure 112 allows face panel 108 of stowage bin 110 to function as a flat-panel speaker while also providing access to interior 130 of stowage bin 110.
  • media system 100 further comprises attenuator 126, operatively coupled to electroacoustic transducer 114.
  • Media system 100 also comprises audio source 124, operatively coupled to attenuator 126.
  • Media system 100 additionally comprises accelerometer 116, integrated into face panel 108 of stowage bin 110 and operatively coupled to attenuator 126.
  • Audio source 124 is configured to provide a first electrical signal to attenuator 126.
  • Attenuator 126 is configured to provide a second electrical signal to electroacoustic transducer 114.
  • media system 100 including attenuator 126 allows for a second electrical signal, that may be different from a first electrical signal provided by audio source 124 to attenuator 126, to be provided to electroacoustic transducer 114.
  • a second electrical signal that may be different from a first electrical signal provided by audio source 124 to attenuator 126
  • attenuator 126 provides a second electrical signal to electroacoustic transducer 114.
  • Use of attenuator 126 allows attenuated electrical signals, different from the first electrical signal sent from audio source 124, to drive electroacoustic transducer 114.
  • Accelerometer 116 is integrated into face panel 108 of stowage bin 110 and operatively coupled to attenuator 126. When coupled with attenuator 126, accelerometer 116 allows attenuated electrical signals to drive electroacoustic transducer 114 based on output from accelerometer 116 to attenuator 126.
  • accelerometer 116 is configured to generate output responsive to a location of face panel 108 of stowage bin 110 between, inclusively, the first position of face panel 108 relative to mounting structure 112 and the second position of face panel 108 relative to mounting structure 112.
  • Attenuator 126 can provide an electrical signal to electroacoustic transducer 114 based on a location of face panel 108 relative to mounting structure 112.
  • accelerometer 116 allows different electrical signals to drive electroacoustic transducer 114 based a location of face panel 108 relative to mounting structure 112.
  • accelerometer 116 may be a multiaxis accelerometer, capable of measuring acceleration in multiple directions. In this manner, accelerometer 116 detects acceleration as a vector quantity, and can be used to sense orientation of accelerometer 116.
  • accelerometer 116 allows for the determination of a position of face panel 108, including, inclusively, the first position of face panel 108 relative to mounting structure 112 and the second position of face panel 108 relative to mounting structure 112.
  • Attenuator 126 when face panel 108 is in the first position relative to mounting structure 112, attenuator 126 provides electroacoustic transducer 114 with the second electrical signal that is not attenuated relative to the first electrical signal, communicated from audio source 124 to attenuator 126, based on the location of face panel 108 relative to mounting structure 112.
  • Attenuator 126 When face panel 108 is in the second position relative to mounting structure 112, attenuator 126 provides electroacoustic transducer 114 with the second electrical signal that is attenuated relative to the first electrical signal, communicated from audio source 124 to attenuator 126, at least based on the location of face panel 108 relative to mounting structure 112.
  • accelerometer 116 integrated into face panel 108 of stowage bin 110 allows attenuator 126 to provide different electrical signals based on position of face panel 108 relative to mounting structure 112.
  • attenuator 126 when face panel 108 is in the first position relative to mounting structure 112, attenuator 126 provides an electrical signal that is not attenuated relative to the first electrical signal from audio source 124 based on the location of face panel 108.
  • face panel 108 when face panel 108 is in the second position relative to mounting structure 112, attenuator 126 provides an electrical signal that is attenuated relative to the first signal from audio source 124 based on the location of face panel 108.
  • accelerometer 116 allows media system 100 to provide attenuated audio to vehicle 102 based on a position of face panel 108 relative to mounting structure 112.
  • example 6 responsive to face panel 108 of stowage bin 110 being moved with respect to mounting structure 112 of stowage bin 110 between, exclusively, the first position of face panel 108 relative to mounting structure 112 and, inclusively, the second position of face panel 108 relative to mounting structure 112, the second electrical signal, communicated from attenuator 126 to electroacoustic transducer 114, is linearly attenuated relative to the first electrical signal, communicated from audio source 124 to attenuator 126.
  • example 6 also includes the subject matter according to example 5, above.
  • Attenuator 126 linearly attenuates the second electrical signal relative to the first electrical signal as face panel 108 of stowage bin 110 is moved between the first position and the second position.
  • a linear attenuation of the second electrical signal provides a gradual adjustment to the attenuation of the electrical signal as face panel 108 of stowage bin 110 is moved between the first position and the second position.
  • example 7 of the present disclosure, wherein example 7 also includes the subject matter according to example 5, above.
  • Attenuator 126 non-linearly attenuates the second electrical signal relative to the first electrical signal as face panel 108 of stowage bin 110 is moved between the first position and the second position.
  • a non-linear attenuation of the second electrical signal provides a gradual adjustment to the attenuation of the electrical signal as face panel 108 of stowage bin 110 is moved between the first position and the second position.
  • electroacoustic transducer 114 is configured to excite face panel 108 of stowage bin 110 based on the second electrical signal, communicated from attenuator 126 to electroacoustic transducer 114.
  • the preceding subject matter of this paragraph characterizes example 8 of the present disclosure, wherein example 8 also includes the subject matter according to any one of examples 5 to 7, above. Exciting face panel 108 of stowage bin 110 based on the second electrical signal provides for selective excitement of face panel 108 by electroacoustic transducer 114 relative to the electrical signal received from attenuator 126.
  • a media system such as media system 100, can provide different excitation of face panel 108 of stowage bin 110 based on the position of face panel 108.
  • electroacoustic transducer 114 can selectively excite face panel 108 according to a second electrical signal when face panel 108 is in second position relative to mounting structure 112.
  • face panel 108 of stowage bin 110 is configured to retain items 131 within interior 130 of stowage bin 110 when face panel 108 is in the first position. Face panel 108 is configured to provide access to interior 130 of stowage bin 110 when face panel 108 is in the second position.
  • face panel 108 of stowage bin 110 When in the first position, face panel 108 of stowage bin 110 is configured to retain items 131 within interior 130 of stowage bin 110. When in the second position, face panel 108 of stowage bin 110 is configured to provide access to interior 130 of stowage bin 110. Allowing face panel 108 of stowage bin 110 to move between a first position relative to mounting structure 112 of stowage bin and second position relative to mounting structure 112 allows face panel 108 of stowage bin 110 to function as a flat-panel speaker while also providing access to interior 130 of stowage bin 110.
  • Electroacoustic transducer 114 integrated in face panel 108 of stowage bin 110 while retaining the item-securing functionality of face panel 108 of retaining items within stowage bin 110 when face panel 108 is moved between a first position relative to mounting structure 112 of stowage bin and second position relative to mounting structure 112.
  • stowage bin 110 further comprises item detector 132, operatively coupled to attenuator 126.
  • Item detector 132 is configured to provide an input to attenuator 126, indicating whether items 131 are present within interior 130 of stowage bin 110.
  • Item detectors such as item detector 132 may be incorporated into stowage bin 110.
  • Item detector 132 indicates to attenuator 126 whether items 131 are present within interior 130 of stowage and 110.
  • attenuator 126 can provide an electrical signal to electroacoustic transducer 114 based on the presence of items 131 within interior 130 of stowage bin 110.
  • item detector 132 allows different electrical signals to drive electroacoustic transducer 114 based the presence of items 131 within interior 130 of stowage bin 110.
  • the input from item detector 132 causes attenuator 126 to provide electroacoustic transducer 114 with the second electrical signal that is not attenuated, at least based on the input from item detector 132 to attenuator 126, relative to the first electrical signal, communicated from audio source 124 to attenuator 126.
  • Attenuator 126 When items 131 are absent from interior 130 of stowage bin 110, attenuator 126 provides electroacoustic transducer 114 with the second electrical signal that is attenuated, based on the input from item detector 132 to attenuator 126, relative to the first electrical signal, communicated from audio source 124 to attenuator 126.
  • Attenuator 126 uses item detector 132 in stowage bin 110 to provide different electrical signals based on the presence of items 131 within interior 130 of stowage bin 110.
  • attenuator 126 provides an electrical signal that is attenuated relative to the first electrical signal from audio source 124 based on the location of face panel 108.
  • attenuator 126 provides an electrical signal that is not attenuated relative to the first signal from audio source 124 based on the location of face panel 108.
  • accelerometer 116 allows media system 100 to provide attenuated audio to vehicle 102 based on a position of face panel 108 relative to mounting structure 112.
  • media system 100 further comprises low-pass filter 128, operatively coupled to accelerometer 116.
  • Low-pass filter 128 is configured to adjust the output of accelerometer 116 based on acceleration of vehicle 102.
  • low-pass filter 128 When operatively coupled to accelerometer 116, low-pass filter 128 allows media system 100 to adjust the output of accelerometer 116 based on acceleration of vehicle 102. In this manner, low-pass filter 128 prevents inadvertent attenuation or non-attenuation of the first electrical signal based due to accelerometer 116 detecting acceleration of vehicle 102.
  • cover plate 134 is secured to interior surface 135 of face panel 108 of stowage bin 110.
  • Torque tube 140 is retained between cover plate 134 and face panel 108.
  • Electroacoustic transducer 114 is retained between cover plate 134 and face panel 108.
  • Torque tube 140 is retained between cover plate 134 and face panel 108, and is provided to secure face panel 108 in first position relative to mounting structure 112.
  • Cover plate 134 is secured to interior surface 135 of face panel 108 of stowage bin 110.
  • cover plate 134 further comprises retainer 138.
  • Retainer 138 is configured to locate electroacoustic transducer 114 along cover plate 134.
  • cover plate 134 includes retainer 138
  • electroacoustic transducer 114 can be easily located along cover plate 134 in a position selected to provide a desired level of acoustic performance when exciting face panel 108.
  • retainer 138 comprises one of locating post 152, recessed seat 154, resilient finger 156, or any combination thereof.
  • electroacoustic transducer 114 can be easily located along cover plate 134 in a position selected to provide a desired level of acoustic performance when exciting face panel 108.
  • electroacoustic transducer 114 further comprises permanent magnet 142, located relative to cover plate 134 by retainer 138. Additionally, electroacoustic transducer 114 comprises electromagnet 144, connected to interior surface 135 of face panel 108 and in contact with permanent magnet 142.
  • electroacoustic transducer 114 comprises permanent magnet 142, located relative to cover plate 134 by retainer 138 and electromagnet 144, connected to interior surface 135 of face panel 108 and in contact with permanent magnet 142.
  • Permanent magnet 142 located relative to cover plate 134 and electromagnet 144, connected to interior surface 135 of face panel 108, allows electroacoustic transducer 114 to provide a desired level of acoustic performance when exciting face panel 108.
  • electromagnet 144 is a voice coil wire.
  • the preceding subject matter of this paragraph characterizes example 17 of the present disclosure, wherein example 17 also includes the subject matter according to example 16, above.
  • electromagnet 144 is a voice coil wire.
  • electroacoustic transducer 114 provides a desired level of acoustic performance when exciting face panel 108.
  • electromagnet 144 is connected to interior surface 135 of face panel 108 using a flexible adhesive.
  • electroacoustic transducer 114 When electromagnet 144 is connected to interior surface 135 of face panel 108 using a flexible adhesive, electroacoustic transducer 114 can be easily secured to interior surface 135 of face panel 108 in a position selected to provide a desired level of acoustic performance when exciting face panel 108.
  • cover plate 134 further comprises first area 158, proximately located to electroacoustic transducer 114.
  • First area 158 has a first locally tailored physical characteristic selected to provide an acoustic property.
  • cover plate 134 comprises second area 160, distally located from electroacoustic transducer 114.
  • a second physical characteristic of second area 160 is different from the first locally tailored physical characteristic of first area 158.
  • each area can be specifically designed to impart desired physical properties that may be more pertinent to that particular area.
  • cover plate 134 further comprises first area 158 proximately located to electroacoustic transducer 114
  • a first physical characteristic of first area 158 may be locally tailored to provide an acoustic property.
  • second area 160 of cover plate 134 distally located from electroacoustic transducer 114, may have a second physical characteristic that different from the first locally tailored physical characteristic of first area 158.
  • first area 158 may have a first physical characteristic, such as a stiffness, designed to optimize acoustic performance of electroacoustic transducer 114.
  • Second area 160 may have a second physical characteristic, such as a stiffness, designed to optimize impact resistance or durability of cover plate 134.
  • media system 100 further comprises sound-insulation layer 146, positioned over at least a portion of cover plate 134 to acoustically isolate electroacoustic transducer 114 from interior 130 of stowage bin 110.
  • sound-insulation layer 146 positioned over at least a portion of cover plate 134 to acoustically isolate electroacoustic transducer 114 from interior 130 of stowage bin 110.
  • electroacoustic transducer 114 can be acoustically isolated from interior 130 of stowage bin 110 to provide a desired level of acoustic performance when exciting face panel 108.
  • sound-insulation layer 146 comprises closed-cell foam material 162.
  • sound-insulation layer 146 comprises closed-cell foam material 162
  • electroacoustic transducer 114 can be acoustically isolated from interior 130 of stowage bin 110 to provide a desired level of acoustic performance when exciting face panel 108.
  • closed-cell foam material 162 is a viscoelastic polyurethane foam.
  • media system 100 further comprises high-definition display system 122, integrated into ceiling panels 120 of passenger compartment 118 of vehicle 102.
  • High-definition display system 122 is operatively coupled with audio source 124.
  • media system 100 including electroacoustic transducer 114 as set forth above, allows for positioning of electroacoustic transducer 114 in face panel 108 of stowage bin 110 inside vehicle 102, such as an airplane.
  • electroacoustic transducer 114 By positioning electroacoustic transducer 114 in face panel 108 of stowage bin 110, media system 100 allows other surfaces inside vehicle 102, such as ceiling panels 120 of passenger compartment 118 of vehicle 102, to be utilized for other functionalities, such as high-definition display system 122, integrated into ceiling panels 120 of passenger compartment 118.
  • electroacoustic transducer 114 integrated in face panel 108 allows ceiling panels 120 of passenger compartment 118 of vehicle 102, previously utilized for flat-panel speaker technology, to be repurposed for other high-definition display system 122, integrated into ceiling panels 120 of passenger compartment 118.
  • media system 100 allows face panel 108 of stowage bin 110 to function as a flat-panel speaker while also allowing the integration of high-definition display system 122 into ceiling panels 120 of passenger compartment 118.
  • Vehicle 102 comprises chassis 104 and passenger compartment 118. Passenger compartment 118 comprises ceiling panels 120. Vehicle 102 additionally comprises stowage bin 110 in passenger compartment 118. Stowage bin 110 comprises mounting structure 112 that is stationary relative to chassis 104. Stowage bin 110 also comprises face panel 108, movably coupled to mounting structure 112. Additionally, stowage bin 110 comprises interior 130, accessible via face panel 108. Vehicle 102 further comprises media system 100. Media system 100 comprises high-definition display system 122, integrated into ceiling panels 120. Media system 100 also comprises audio source 124, operatively coupled with high-definition display system 122. Media system 100 additionally comprises electroacoustic transducer 114, integrated into face panel 108 of stowage bin 110.
  • the preceding subject matter of this paragraph characterizes example 23 of the present disclosure.
  • media system 100 that includes electroacoustic transducer 114 as set forth above, in vehicle 102, such as an airplane, enables positioning electroacoustic transducer 114 in face panel 108 of stowage bin 110 inside vehicle 102.
  • Positioning electroacoustic transducer 114 in face panel 108 of stowage bin 110 enables other surfaces inside vehicle 102, such as ceiling panels 120 of passenger compartment 118 of vehicle 102, to be utilized for other functionalities, such as high-definition display system 122, integrated into ceiling panels 120 of passenger compartment 118.
  • electroacoustic transducer 114 integrated in face panel 108 enables ceiling panels 120 of passenger compartment 118 of vehicle 102, previously utilized for flat-panel speaker technology, to be repurposed for other high-definition display system 122, integrated into ceiling panels 120 of passenger compartment 118.
  • media system 100 enables face panel 108 of stowage bin 110 to function as a flat-panel speaker while also enabling the integration of high-definition display system 122 into ceiling panels 120 of passenger compartment 118.
  • face panel 108 of stowage bin 110 is capable of being moved between, inclusively, a first position relative to mounting structure 112 of stowage bin 110 and a second position relative to mounting structure 112.
  • Allowing face panel 108 of stowage bin 110 to move between a first position relative to mounting structure 112 of stowage bin and second position relative to mounting structure 112 allows face panel 108 of stowage bin 110 to function as a flat-panel speaker while also providing access to interior 130 of stowage bin 110.
  • media system 100 of vehicle 102 further comprises attenuator 126, operatively coupled to electroacoustic transducer 114, and accelerometer 116, integrated into face panel 108 of stowage bin 110 and operatively coupled to attenuator 126.
  • Audio source 124 is configured to provide a first electrical signal to attenuator 126.
  • Attenuator 126 is configured to provide a second electrical signal to electroacoustic transducer 114.
  • Use of media system 100 including attenuator 126, in vehicle 102 allows for a second electrical signal, that may be different from a first electrical signal provided by audio source 124 to attenuator 126, to be provided to electroacoustic transducer 114.
  • a second electrical signal that may be different from a first electrical signal provided by audio source 124 to attenuator 126
  • attenuator 126 provides a second electrical signal to electroacoustic transducer 114.
  • Use of attenuator 126 allows attenuated electrical signals, different from the first electrical signal sent from audio source 124, to drive electroacoustic transducer 114.
  • Accelerometer 116 is integrated into face panel 108 of stowage bin 110 and operatively coupled to attenuator 126. When coupled with attenuator 126, accelerometer 116 allows attenuated electrical signals to drive electroacoustic transducer 114 based on output from accelerometer 116 to attenuator 126.
  • accelerometer 116 is configured to generate output responsive to a location of face panel 108 of stowage bin 110 between, inclusively, the first position of face panel 108 relative to mounting structure 112 and the second position of face panel 108 relative to mounting structure 112.
  • Attenuator 126 can provide an electrical signal to electroacoustic transducer 114 based on a location of face panel 108 relative to mounting structure 112.
  • accelerometer 116 allows different electrical signals to drive electroacoustic transducer 114 based a location of face panel 108 relative to mounting structure 112.
  • accelerometer 116 may be a multiaxis accelerometer, capable of measuring acceleration in multiple directions. In this manner, accelerometer 116 detects acceleration as a vector quantity, and can be used to sense orientation of accelerometer 116.
  • accelerometer 116 allows for the determination of a position of face panel 108, including, inclusively, the first position of face panel 108 relative to mounting structure 112 and the second position of face panel 108 relative to mounting structure 112.
  • Attenuator 126 when face panel 108 is in the first position relative to mounting structure 112, attenuator 126 provides electroacoustic transducer 114 with the second electrical signal that is not attenuated relative to the first electrical signal, communicated from audio source 124 to attenuator 126, based on the location of face panel 108 relative to mounting structure 112.
  • attenuator 126 provides electroacoustic transducer 114 with the second electrical signal that is attenuated relative to the first electrical signal, communicated from audio source 124 to attenuator 126, based on the location of face panel 108 relative to mounting structure 112.
  • accelerometer 116 integrated into face panel 108 of stowage bin 110 allows attenuator 126 to provide different electrical signals based on position of face panel 108 relative to mounting structure 112.
  • attenuator 126 when face panel 108 is in the first position relative to mounting structure 112, attenuator 126 provides an electrical signal that is not attenuated relative to the first electrical signal from audio source 124 based on the location of face panel 108.
  • face panel 108 when face panel 108 is in the second position relative to mounting structure 112, attenuator 126 provides an electrical signal that is attenuated relative to the first signal from audio source 124 based on the location of face panel 108.
  • accelerometer 116 allows media system 100 to provide attenuated audio to vehicle 102 based on a position of face panel 108 relative to mounting structure 112.
  • example 28 of the present disclosure responsive to face panel 108 of stowage bin 110 being moved with respect to mounting structure 112 of stowage bin 110 between, exclusively, the first position of face panel 108 relative to mounting structure 112 and, inclusively, the second position of face panel 108 relative to mounting structure 112, the second electrical signal, communicated from attenuator 126 to electroacoustic transducer 114, is linearly attenuated relative to the first electrical signal, communicated from audio source 124 to attenuator 126.
  • example 28 also includes the subject matter according to any one of examples 26 to 27, above.
  • Attenuator 126 linearly attenuates the second electrical signal relative to the first electrical signal as face panel 108 of stowage bin 110 is moved between the first position and the second position.
  • a linear attenuation of the second electrical signal provides a gradual adjustment to the attenuation of the electrical signal as face panel 108 of stowage bin 110 is moved between the first position and the second position.
  • the second electrical signal communicated from attenuator 126 to electroacoustic transducer 114, is non-linearly attenuated relative to the first electrical signal, communicated from audio source 124 to attenuator 126.
  • example 29 also includes the subject matter according to any one of examples 26 to 27, above.
  • attenuator 126 non-linearly attenuates the second electrical signal relative to the first electrical signal as face panel 108 of stowage bin 110 is moved between the first position and the second position.
  • a non-linear attenuation of the second electrical signal provides a gradual adjustment to the attenuation of the electrical signal as face panel 108 of stowage bin 110 is moved between the first position and the second position.
  • electroacoustic transducer 114 is configured to excite face panel 108 of stowage bin 110 based on the second electrical signal, communicated from attenuator 126 to electroacoustic transducer 114.
  • Exciting face panel 108 of stowage bin 110 based on the second electrical signal provides for selective excitement of face panel 108 by electroacoustic transducer 114 relative to the electrical signal received from attenuator 126.
  • a media system such as media system 100, can provide different excitation of face panel 108 of stowage bin 110 based on the position of face panel 108.
  • electroacoustic transducer 114 can selectively excite face panel 108 according to a second electrical signal when face panel 108 is in second position relative to mounting structure 112.
  • face panel 108 of stowage bin 110 is configured to retain items 131 within interior 130 of stowage bin 110 when face panel 108 is in the first position. Face panel 108 is configured to provide access to interior 130 of stowage bin 110 when face panel 108 is in the second position.
  • face panel 108 of stowage bin 110 When in the first position, face panel 108 of stowage bin 110 is configured to retain items 131 within interior 130 of stowage bin 110. When in the second position, face panel 108 of stowage bin 110 is configured to provide access to interior 130 of stowage bin 110. Allowing face panel 108 of stowage bin 110 to move between a first position relative to mounting structure 112 of stowage bin and second position relative to mounting structure 112 allows face panel 108 of stowage bin 110 to function as a flat-panel speaker while also providing access to interior 130 of stowage bin 110.
  • Electroacoustic transducer 114 integrated in face panel 108 of stowage bin 110 while retaining the item-securing functionality of face panel 108 of retaining items within stowage bin 110 when face panel 108 is moved between a first position relative to mounting structure 112 of stowage bin and second position relative to mounting structure 112.
  • stowage bin 110 further comprises item detector 132, operatively coupled to attenuator 126.
  • Item detector 132 is configured to provide an input to attenuator 126, indicating whether items 131 are present within interior 130 of stowage bin 110.
  • Item detectors such as item detector 132 may be incorporated into stowage bin 110.
  • Item detector 132 indicates to attenuator 126 whether items 131 are present within interior 130 of stowage and 110.
  • attenuator 126 can provide an electrical signal to electroacoustic transducer 114 based on the presence of items 131 within interior 130 of stowage bin 110.
  • item detector 132 allows different electrical signals to drive electroacoustic transducer 114 based the presence of items 131 within interior 130 of stowage bin 110.
  • the input from item detector 132 causes attenuator 126 to provide electroacoustic transducer 114 with the second electrical signal that is not attenuated, at least based on the input from item detector 132 to attenuator 126, relative to the first electrical signal, communicated from audio source 124 to attenuator 126.
  • Attenuator 126 When items 131 are absent from interior 130 of stowage bin 110, attenuator 126 provides electroacoustic transducer 114 with the second electrical signal that is attenuated, based on the input from item detector 132 to attenuator 126, relative to the first electrical signal, communicated from audio source 124 to attenuator 126.
  • the preceding subject matter of this paragraph characterizes example 33 of the present disclosure, wherein example 33 also includes the subject matter according to example 32, above.
  • Attenuator 126 uses item detector 132 in stowage bin 110 to provide different electrical signals based on the presence of items 131 within interior 130 of stowage bin 110.
  • attenuator 126 provides an electrical signal that is attenuated relative to the first electrical signal from audio source 124 based on the location of face panel 108.
  • attenuator 126 provides an electrical signal that is attenuated relative to the first signal from audio source 124 based on the location of face panel 108.
  • accelerometer 116 allows media system 100 to provide attenuated audio to vehicle 102 based on a position of face panel 108 relative to mounting structure 112.
  • vehicle 102 further comprises low-pass filter 128, operatively coupled to accelerometer 116.
  • Low-pass filter 128 is configured to adjust the output of accelerometer 116 based on acceleration of vehicle 102.
  • low-pass filter 128 When operatively coupled to accelerometer 116, low-pass filter 128 allows media system 100 to adjust the output of accelerometer 116 based on acceleration of vehicle 102. In this manner, low-pass filter 128 prevents inadvertent attenuation or non-attenuation of the first electrical signal based due to accelerometer 116 detecting acceleration of vehicle 102.
  • cover plate 134 is secured to interior surface 135 of face panel 108 of stowage bin 110.
  • Torque tube 140 is retained between cover plate 134 and face panel 108.
  • Electroacoustic transducer 114 is retained between cover plate 134 and face panel 108.
  • Torque tube 140 is retained between cover plate 134 and face panel 108, and is provided to secure face panel 108 in first position relative to mounting structure 112.
  • Cover plate 134 is secured to interior surface 135 of face panel 108 of stowage bin 110.
  • cover plate 134 further comprises retainer 138.
  • Retainer 138 is configured to locate electroacoustic transducer 114 along cover plate 134.
  • cover plate 134 includes retainer 138
  • electroacoustic transducer 114 can be easily located along cover plate 134 in a position selected to provide a desired level of acoustic performance when exciting face panel 108.
  • retainer 138 comprises one of locating post 152, recessed seat 154, resilient finger 156, or any combination thereof.
  • electroacoustic transducer 114 can be easily located along cover plate 134 in a position selected to provide a desired level of acoustic performance when exciting face panel 108.
  • electroacoustic transducer 114 further comprises permanent magnet 142, located relative to cover plate 134 by retainer 138.
  • electroacoustic transducer 114 comprises electromagnet 144, connected to interior surface 135 of face panel 108 and in contact with permanent magnet 142.
  • electroacoustic transducer 114 comprises permanent magnet 142, located relative to cover plate 134 by retainer 138 and electromagnet 144, connected to interior surface 135 of face panel 108 and in contact with permanent magnet 142.
  • Permanent magnet 142 located relative to cover plate 134 and electromagnet 144, connected to interior surface 135 of face panel 108, allows electroacoustic transducer 114 to provide a desired level of acoustic performance when exciting face panel 108.
  • electromagnet 144 is a voice coil wire.
  • the preceding subject matter of this paragraph characterizes example 39 of the present disclosure, wherein example 39 also includes the subject matter according to example 38, above.
  • electromagnet 144 is a voice coil wire.
  • electroacoustic transducer 114 provides a desired level of acoustic performance when exciting face panel 108.
  • electromagnet 144 is connected to interior surface 135 of face panel 108 using a flexible adhesive.
  • electroacoustic transducer 114 When electromagnet 144 is connected to interior surface 135 of face panel 108 using a flexible adhesive, electroacoustic transducer 114 can be easily secured to interior surface 135 of face panel 108 in a position selected to provide a desired level of acoustic performance when exciting face panel 108.
  • cover plate 134 further comprises first area 158, proximately located to electroacoustic transducer 114.
  • First area 158 has a first locally tailored physical characteristic, selected to provide an acoustic property.
  • cover plate 134 comprises second area 160, distally located from electroacoustic transducer 114.
  • a second physical characteristic of second area 160 is different from the first locally tailored physical characteristic of first area 158.
  • each area can be specifically designed to impart desired physical properties that may be more pertinent to that particular area.
  • cover plate 134 further comprises first area 158 proximately located to electroacoustic transducer 114
  • a first physical characteristic of first area 158 may be locally tailored to provide an acoustic property.
  • second area 160 of cover plate 134 distally located from electroacoustic transducer 114, may have a second physical characteristic that different from the first locally tailored physical characteristic of first area 158.
  • first area 158 may have a first physical characteristic, such as a stiffness, designed to optimize acoustic performance of electroacoustic transducer 114.
  • Second area 160 may have a second physical characteristic, such as a stiffness, designed to optimize impact resistance or durability of cover plate 134.
  • vehicle 102 further comprises sound-insulation layer 146, positioned over at least a portion of cover plate 134 to acoustically isolate electroacoustic transducer 114 from interior 130 of stowage bin 110.
  • sound-insulation layer 146 positioned over at least a portion of cover plate 134 to acoustically isolate electroacoustic transducer 114 from interior 130 of stowage bin 110.
  • electroacoustic transducer 114 can be acoustically isolated electroacoustic transducer 114 from interior 130 of stowage bin 110 to provide a desired level of acoustic performance when exciting face panel 108.
  • sound-insulation layer 146 comprises closed-cell foam material 162.
  • electroacoustic transducer 114 can be acoustically isolated electroacoustic transducer 114 from interior 130 of stowage bin 110 to provide a desired level of acoustic performance when exciting face panel 108.
  • closed-cell foam material 162 is a viscoelastic polyurethane foam.
  • Method 1400 comprises (block 1402 ) exciting face panel 108 with electroacoustic transducer 114, integrated into face panel 108 of stowage bin 110.
  • Stowage bin 110 further comprises mounting structure 112 that is stationary relative to chassis 104 of vehicle 102.
  • Stowage bin 110 also comprises interior 130, accessible via face panel 108.
  • Method 1400 enables acoustic excitation of face panel 108 of stowage bin 110 via electroacoustic transducer 114, positioned therein.
  • Implementing method 1500 enables utilization of other surfaces inside vehicle 102 for other functionalities.
  • Face panel 108 is movably coupled to mounting structure 112, allowing for access to interior 130 of stowage bin 110.
  • electroacoustic transducer 114 integrated in face panel 108 allows surfaces previously utilized for flat-panel speaker technology to be repurposed for other functions, such as providing a high-definition display inside vehicle 102.
  • media system 100 allows face panel 108 of stowage bin 110 to function as a flat-panel speaker while also providing access to interior 130 of stowage bin 110
  • method 1400 further comprises (block 1404 ) moving face panel 108 of stowage bin 110 between, inclusively, a first position relative to mounting structure 112 of stowage bin 110 and a second position relative to mounting structure 112.
  • block 1404 moving face panel 108 of stowage bin 110 between, inclusively, a first position relative to mounting structure 112 of stowage bin 110 and a second position relative to mounting structure 112.
  • face panel 108 of stowage bin 110 When in the first position, face panel 108 of stowage bin 110 is configured to retain items 131 within interior 130 of stowage bin 110. When in the second position, face panel 108 of stowage bin 110 is configured to provide access to interior 130 of stowage bin 110. Allowing face panel 108 of stowage bin 110 to move between a first position relative to mounting structure 112 of stowage bin and second position relative to mounting structure 112 allows face panel 108 of stowage bin 110 to function as a flat-panel speaker while also providing access to interior 130 of stowage bin 110.
  • Electroacoustic transducer 114 integrated in face panel 108 of stowage bin 110 allows face panel 108 to retain the item-securing functionality of stowage bin 110 when face panel 108 is moved between a first position relative to mounting structure 112 of stowage bin and second position relative to mounting structure 112.
  • method 1400 further comprises (block 1406 ) providing a first electrical signal to attenuator 126 from audio source 124, operatively coupled to attenuator 126.
  • Method 1500 also comprises (block 1408 ) providing a second electrical signal to electroacoustic transducer 114 from attenuator 126, operatively coupled to electroacoustic transducer 114.
  • media system 100 including attenuator 126 allows for a second electrical signal, that may be different from a first electrical signal provided by audio source 124 to attenuator 126, to be provided to electroacoustic transducer 114.
  • a second electrical signal that may be different from a first electrical signal provided by audio source 124 to attenuator 126
  • attenuator 126 provides a second electrical signal to electroacoustic transducer 114.
  • Use of attenuator 126 allows attenuated electrical signals, different from the first electrical signal sent from audio source 124, to drive electroacoustic transducer 114.
  • Accelerometer 116 is integrated into face panel 108 of stowage bin 110 and operatively coupled to attenuator 126. When coupled with attenuator 126, accelerometer 116 allows attenuated electrical signals to drive electroacoustic transducer 114 based on output from accelerometer 116 to attenuator 126.
  • method 1400 further comprises (block 1410 ) responsive to a location of face panel 108 between, inclusively, the first position of face panel 108 relative to mounting structure 112 and the second position of face panel 108 relative to mounting structure 112, generating output by accelerometer 116, integrated into face panel 108 of stowage bin 110 and operatively coupled to attenuator 126.
  • block 1410 responsive to a location of face panel 108 between, inclusively, the first position of face panel 108 relative to mounting structure 112 and the second position of face panel 108 relative to mounting structure 112, generating output by accelerometer 116, integrated into face panel 108 of stowage bin 110 and operatively coupled to attenuator 126.
  • Attenuator 126 can provide an electrical signal to electroacoustic transducer 114 based on a location of face panel 108 relative to mounting structure 112.
  • accelerometer 116 allows different electrical signals to drive electroacoustic transducer 114 based a location of face panel 108 relative to mounting structure 112.
  • accelerometer 116 may be a multiaxis accelerometer, capable of measuring acceleration in multiple directions. In this manner, accelerometer 116 detects acceleration as a vector quantity, and can be used to sense orientation of accelerometer 116.
  • accelerometer 116 allows for the determination of a position of face panel 108, including, inclusively, the first position of face panel 108 relative to mounting structure 112 and the second position of face panel 108 relative to mounting structure 112.
  • providing the second electrical signal to electroacoustic transducer 114 from attenuator 126, operatively coupled to electroacoustic transducer 114 comprises, (block 1412 ) when face panel 108 is in the first position relative to mounting structure 112, providing electroacoustic transducer 114 with the second electrical signal that is not attenuated relative to the first electrical signal based on the location of face panel 108 relative to mounting structure 112.
  • Providing the second electrical signal to electroacoustic transducer 114 from attenuator 126 also comprises, (block 1414 ) when face panel 108 is in the second position relative to mounting structure 112, providing electroacoustic transducer 114 with the second electrical signal that is attenuated relative to the first electrical signal based at least on the location of face panel 108 relative to mounting structure 112.
  • accelerometer 116 integrated into face panel 108 of stowage bin 110 allows attenuator 126 to provide different electrical signals based on position of face panel 108 relative to mounting structure 112.
  • attenuator 126 when face panel 108 is in the first position relative to mounting structure 112, attenuator 126 provides an electrical signal that is not attenuated relative to the first electrical signal from audio source 124 based on the location of face panel 108.
  • face panel 108 when face panel 108 is in the second position relative to mounting structure 112, attenuator 126 provides an electrical signal that is attenuated relative to the first signal from audio source 124 based on the location of face panel 108.
  • accelerometer 116 allows media system 100 to provide attenuated audio to vehicle 102 based on a position of face panel 108 relative to mounting structure 112.
  • method 1400 further comprises (block 1416 ) linearly attenuating the second electrical signal, communicated from attenuator 126 to electroacoustic transducer 114, relative to the first electrical signal, communicated from audio source 124 to attenuator 126, as face panel 108 of stowage bin 110 is moved with respect to mounting structure 112 of stowage bin 110 between, exclusively, the first position of face panel 108 relative to mounting structure 112 and, inclusively, the second position of face panel 108 relative to mounting structure 112.
  • Attenuator 126 linearly attenuates the second electrical signal relative to the first electrical signal as face panel 108 of stowage bin 110 is moved between the first position and the second position.
  • a linear attenuation of the second electrical signal provides a gradual adjustment to the attenuation of the electrical signal as face panel 108 of stowage bin 110 is moved between the first position and the second position.
  • method 1400 further comprises (block 1418 ) non-linearly attenuating the second electrical signal, communicated from attenuator 126 to electroacoustic transducer 114, relative to the first electrical signal, communicated from audio source 124 to attenuator 126, as face panel 108 of stowage bin 110 is moved with respect to mounting structure 112 of stowage bin 110 between, exclusively, the first position of face panel 108 relative to mounting structure 112 and, inclusively, the second position of face panel 108 relative to mounting structure 112.
  • example 50 also includes the subject matter according to example 48, above.
  • exciting face panel 108 according to block 1402 of method 1400 further comprises (block 1420 ) using electroacoustic transducer 114 to excite face panel 108 based on the second electrical signal, communicated from attenuator 126 to electroacoustic transducer 114.
  • Face panel 108 is configured to retain items 131 within interior 130 of stowage bin 110 when face panel 108 of stowage bin 110 is in the first position relative to mounting structure 112.
  • Face panel 108 is configured to provide access to interior 130 of stowage bin 110 when face panel 108 is in the second position relative to mounting structure 112.
  • Attenuator 126 non-linearly attenuates the second electrical signal relative to the first electrical signal as face panel 108 of stowage bin 110 is moved between the first position and the second position.
  • a non-linear attenuation of the second electrical signal provides a gradual adjustment to the attenuation of the electrical signal as face panel 108 of stowage bin 110 is moved between the first position and the second position.
  • method 1400 further comprises (block 1422 ) providing an input to attenuator 126 from item detector 132, operatively coupled to attenuator 126, indicating whether items 131 are present within interior 130 of stowage bin 110.
  • block 1422 provides an input to attenuator 126 from item detector 132, operatively coupled to attenuator 126, indicating whether items 131 are present within interior 130 of stowage bin 110.
  • a media system such as media system 100, can provide different excitation of face panel 108 of stowage bin 110 based on the position of face panel 108.
  • electroacoustic transducer 114 can selectively excite face panel 108 according to a second electrical signal when face panel 108 is in second position relative to mounting structure 112.
  • the second electrical signal is communicated from attenuator 126 to electroacoustic transducer 114.
  • example 53 when items 131 are absent from interior 130 of stowage bin 110, the second electrical signal, attenuated relative to the first electrical signal based on items 131 being present within interior 130 of stowage bin 110, is communicated from attenuator 126 to electroacoustic transducer 114.
  • Item detectors such as item detector 132 may be incorporated into stowage bin 110.
  • Item detector 132 indicates to attenuator 126 whether items 131 are present within interior 130 of stowage and 110.
  • attenuator 126 can provide an electrical signal to electroacoustic transducer 114 based on the presence of items 131 within interior 130 of stowage bin 110.
  • item detector 132 allows different electrical signals to drive electroacoustic transducer 114 based the presence of items 131 within interior 130 of stowage bin 110.
  • method 1400 further comprises (block 1428 ) adjusting the output of accelerometer 116 with low-pass filter 128, operatively coupled to accelerometer 116.
  • Low-pass filter 128 is configured to adjust the output of accelerometer 116 based on acceleration of vehicle 102.
  • low-pass filter 128 When operatively coupled to accelerometer 116, low-pass filter 128 allows media system 100 to adjust the output of accelerometer 116 based on acceleration of vehicle 102. In this manner, low-pass filter 128 prevents inadvertent attenuation or non-attenuation of the first electrical signal based due to accelerometer 116 detecting acceleration of vehicle 102.
  • illustrative method 1500 may include specification and design block 1502 of aircraft 1600 and material procurement block 1504.
  • component and subassembly manufacturing block 1506 and system integration block 1508 of aircraft 1600 may take place.
  • aircraft 1600 may go through certification and delivery block 1510 to be placed in in service block 1512.
  • aircraft 1600 may be scheduled for routine maintenance and service block 1514.
  • Routine maintenance and service may include modification, reconfiguration, refurbishment, etc. of one or more systems of aircraft 1600.
  • Each of the processes of illustrative method 1500 may be performed or carried out by a system integrator, a third party, and/or an operator e.g., a customer.
  • a system integrator may include, without limitation, any number of aircraft manufacturers and major-system subcontractors
  • a third party may include, without limitation, any number of vendors, subcontractors, and suppliers
  • an operator may be an airline, leasing company, military entity, service organization, and so on.
  • aircraft 1600 produced by illustrative method 1500 of FIG. 15 may include airframe 1602 with a plurality of high-level systems 1604 and interior 1606.
  • high-level systems 1604 include one or more of propulsion system 1608, electrical system 1610, hydraulic system 1612, and environmental system 1614. Any number of other systems may be included.
  • propulsion system 16008 electrical system 1610
  • hydraulic system 1612 hydraulic system 1612
  • environmental system 1614 any number of other systems may be included.
  • Any number of other systems may be included.
  • an aerospace example is shown, the principles disclosed herein may be applied to other industries, such as the automotive industry. Accordingly, in addition to aircraft 1600, the principles disclosed herein may apply to other vehicles, e.g., land vehicles, marine vehicles, space vehicles, etc.
  • Apparatuses and methods shown or described herein may be employed during any one or more of the stages of the manufacturing and service method 1500.
  • components or subassemblies corresponding to component and subassembly manufacturing block 1506 may be fabricated or manufactured in a manner similar to components or subassemblies produced while aircraft 1600 is in in service block 1512.
  • one or more examples of the apparatuses, methods, or combination thereof may be utilized during production stages 1506 and 1508, for example, by substantially expediting assembly of or reducing the cost of aircraft 1600.
  • one or more examples of the apparatus or method realizations, or a combination thereof may be utilized, for example and without limitation, while aircraft 1600 is in in service block 1512 and/or during maintenance and service block 1514.

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  • Aviation & Aerospace Engineering (AREA)
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  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
EP17194134.7A 2016-09-30 2017-09-29 Appareils et procédés permettant une excitation acoustique d'un panneau frontal d'un compartiment de rangement à l'intérieur d'un véhicule Active EP3301949B1 (fr)

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US20030141414A1 (en) * 2002-01-29 2003-07-31 Jamco Corporation Ceiling speaker system of aircraft
US20070030985A1 (en) * 2005-08-03 2007-02-08 Cheung Kwun-Wing W Flat panel loudspeaker system
EP1803645A1 (fr) * 2005-12-29 2007-07-04 Airbus Deutschland GmbH Module pour un aéronef
US20100119095A1 (en) * 2007-04-26 2010-05-13 Benjamin Grenzing Flat speaker

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CN107889021B (zh) 2020-07-17
CA2972681A1 (fr) 2018-03-30
US10142714B2 (en) 2018-11-27
BR102017019930A2 (pt) 2018-05-08
US9936272B1 (en) 2018-04-03
US20180098141A1 (en) 2018-04-05
CN107889021A (zh) 2018-04-06
BR102017019930B1 (pt) 2023-03-07
US20180199122A1 (en) 2018-07-12
EP3301949B1 (fr) 2021-11-17
CA2972681C (fr) 2021-10-19

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